| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a simpler structure for fixedly attaching a functional component to a car body beam. SOLUTION: A nut 6 is provided as a connecting piece 7 having a female screw, the connecting piece 7 is put through a through-port 8 located in the lower flange 4a of a car body beam 4, a flange body 8 fixedly connected to the connecting piece 7 is connected to a cage 12 by spot welding, and the walls 13 and 14 of the cage 12 are spot-welded to the upper and lower flanges 4b and 4a.</p> |
